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2 051 193

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C1

(51)

IPC

(21) (22)

Application

93046526/02, 1993-10-06

(22)

Actual filing date

1993-10-06

(45)

Published

1995-12-27

(72)

Inventor

Andreev Ju.V.Grejver T.N.Petrov G.V.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Redkikh Metallov"

METHOD FOR ELIMINATION OF RHENIUM AND OSMIUM INTO GASEOUS PHASE FROM PLUMBOUS RHENIUM-BEARING DUSTS AND COPPER PRODUCTION SULFURIC ACID SLUDGES Russian patent published in 1995 - IPC

Abstract RU 2051193 C1

FIELD: rhenium and osmium extraction method. SUBSTANCE: method involves heating to 800-900 C by conducting gases through layer of pelleted raw material. EFFECT: increased efficiency. 1 tbl

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RU 2 051 193 C1

Authors

Andreev Ju.V.

Grejver T.N.

Petrov G.V.

Dates

1995-12-27—Published

1993-10-06—Filed

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